a number is twice the other. if their sum is 30,find the number. ​

Question

a number is twice the other. if their sum is 30,find the number. ​

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bonexptip 4 years 2021-09-03T19:08:11+00:00 2 Answers 20 views 0

Answers ( )

    0
    2021-09-03T19:09:15+00:00

    Answer:

    10

    Step-by-step explanation:

    10 x 2 = 20

    20 + 10 = 30

    0
    2021-09-03T19:09:43+00:00

    Answer:

    x+2x = 30

    Step-by-step explanation:

    3x = 30

    x= 10 hope it helps

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )